含蓄條件句是指句中沒有明顯的虛擬條件句，而是利用其他手段來暗示存在虛擬條件。但是這類隱含式虛擬條件句往往都可以轉化為if引導的條件句。常來表示含蓄虛擬條件的手段有：
%Fs*#S (1)介詞或介詞短語，如but for, but that, without, in case of, under more favorable condition等。
gHp'3SnS the leadership of the party, we could not be living a happy today.=If there hadn’t been the leadership of the party, we could not be living a happy today.
V[4(~,9 A. In spite of
%uh R'8" B. But for
,: c :6Y^ C. Because of
A1mYkG)l D. As for 答案選B。
N-]\oMc2 But that she was afraid, she would have said no.
FAH[5VD r% (2)連詞，如：so that, unless, in case, supposing, lest, provided(倘若……)，for fear that(唯恐)，in order that, on condition that, if only(要是……就好了)等。
A"Tc^Ij She listened carefully in order that she might discover exactly what he wante
I[tAT[ < D.=if she listened carefully ,she might discover exactly what he wante
#&;m<
% D.
2 q2p=H>& If only I had more money, I could buy a car.
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